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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package org.graalvm.compiler.lir.aarch64;

import org.graalvm.compiler.lir.gen.ArithmeticLIRGeneratorTool;

import jdk.vm.ci.meta.Value;

/**
 * This interface can be used to generate AArch64 LIR for arithmetic operations.
 */
public interface AArch64ArithmeticLIRGeneratorTool extends ArithmeticLIRGeneratorTool {

    Value emitCountLeadingZeros(Value value);

    Value emitCountTrailingZeros(Value value);

    enum RoundingMode {
        NEAREST(0),
        DOWN(1),
        UP(2),
        TRUNCATE(3);

        public final int encoding;

        RoundingMode(int encoding) {
            this.encoding = encoding;
        }
    }

    Value emitRound(Value value, RoundingMode mode);
}
